[lvm-devel] stable-2.02 - snapshot: always activate

Zdenek Kabelac zkabelac at sourceware.org
Mon Aug 26 13:39:54 UTC 2019


Gitweb:        https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=4743c4900ddf0558f5949d7d113be9525bf67785
Commit:        4743c4900ddf0558f5949d7d113be9525bf67785
Parent:        c6e079cda3d2c15c0dddf34513e045188abbac15
Author:        Zdenek Kabelac <zkabelac at redhat.com>
AuthorDate:    Mon Aug 26 15:13:55 2019 +0200
Committer:     Zdenek Kabelac <zkabelac at redhat.com>
CommitterDate: Mon Aug 26 15:36:41 2019 +0200

snapshot: always activate

Drop the 'cluster-only' optimization so we do resume ALL device
before we try to wait on cookie before 'removal' operation.

It's more correct order of operation - alhtough possibly slightly
less efficient - but until we have correct list of operations
'in-progress' we can't do anything better.
---
 lib/metadata/snapshot_manip.c |    8 +-------
 1 files changed, 1 insertions(+), 7 deletions(-)

diff --git a/lib/metadata/snapshot_manip.c b/lib/metadata/snapshot_manip.c
index 76d78f3..81e4703 100644
--- a/lib/metadata/snapshot_manip.c
+++ b/lib/metadata/snapshot_manip.c
@@ -361,13 +361,7 @@ int vg_remove_snapshot(struct logical_volume *cow)
 			return 0;
 		}
 
-		/*
-		 * For merged snapshot and clustered VG activate cow LV so
-		 * the following call to deactivate_lv() can clean-up table
-		 * entries. For this clustered lock need to be held.
-		 */
-		if (vg_is_clustered(cow->vg) &&
-		    merging_snapshot && !activate_lv(cow->vg->cmd, cow)) {
+		if (merging_snapshot && !activate_lv(cow->vg->cmd, cow)) {
 			log_error("Failed to activate %s.", cow->name);
 			return 0;
 		}




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